1/*
2 * Copyright (C) 2010 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "APIObject.h"
29#include <wtf/text/StringView.h>
30
31namespace API {
32
33class String final : public ObjectImpl<Object::Type::String> {
34public:
35 static Ref<String> createNull()
36 {
37 return adoptRef(*new String);
38 }
39
40 static Ref<String> create(WTF::String&& string)
41 {
42 return adoptRef(*new String(string.isNull() ? WTF::String(StringImpl::empty()) : string.isolatedCopy()));
43 }
44
45 static Ref<String> create(const WTF::String& string)
46 {
47 return create(string.isolatedCopy());
48 }
49
50 virtual ~String()
51 {
52 }
53
54 WTF::StringView stringView() const { return m_string; }
55 WTF::String string() const { return m_string.isolatedCopy(); }
56
57private:
58 String()
59 : m_string()
60 {
61 }
62
63 String(WTF::String&& string)
64 : m_string(WTFMove(string))
65 {
66 ASSERT(!m_string.isNull());
67 ASSERT(m_string.isSafeToSendToAnotherThread());
68 }
69
70 const WTF::String m_string;
71};
72
73} // namespace WebKit
74